Roll-up shutter



FIG. 1 is a perspective view of a roll-up shutter showing my new design;

FIG. 2 is an elevation of one side of the roll-up shutter shown in FIG. 1;

FIG. 3 is an elevation of one end of the roll-up shutter seen in FIG. 2, the other end being a mirror image;

FIG. 4 is a plan view of the top of the roll-up shutter in FIG. 2, the bottom being a mirror image; and,

FIG. 5 is an elevation similar to FIG. 2 showing the opposite side of the roll-up shutter. 

The ornamental design for a roll-up shutter, as shown and described. 